diff --git a/ohsome_quality_api/__init__.py b/ohsome_quality_api/__init__.py
index 9b1a8985d..b4a8caf26 100644
--- a/ohsome_quality_api/__init__.py
+++ b/ohsome_quality_api/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "1.1.0"
+__version__ = "1.1.1"
 __title__ = "ohsome quality API"
 __description__ = "Data quality estimations for OpenStreetMap"
 __author__ = "ohsome team"
diff --git a/pyproject.toml b/pyproject.toml
index a8e716950..a7d0cef76 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "ohsome_quality_api"
-version = "1.1.0"
+version = "1.1.1"
 description = "Data quality estimations for OpenStreetMap."
 authors = ["ohsome team <ohsome@heigit.org>"]
 homepage = "https://api.quality.ohsome.org"